Live-Line Tools- Introduction, Identification, and Care

Question 1

The forerunners of modern hot-line tools were used as early as ? .

Answer 1

1913

Question 2

Fiberglass poles were adapted for use as hot-line tools because the size and weight of wooden tools became greater as the voltages increased.

Answer 2

True

Question 3

Hot-line tool heads are made of ? aluminum alloy to make them lighter.

Answer 3

heat treated

Question 4

Hooks used as part of rope blocks are designed to begin to open when approximately ? of the maximum block strength is reached.

Answer 4

70%

Question 5

The type of rope recommended for live-line blocks and live-line rope is ? .

Answer 5

polyester-polyester

Question 6

The recommended rope for use in live line work has a Safe Working Load (SWL) of ? for ½ inch rope.

Answer 6

798lbs

Question 7

To determine the mechanical advantage of a set of blocks, count the number of ropes just above the running blocks.

Answer 7

true

Question 8

The OSHA standard that requires an employer to electrically test all live-line tools is 1910.269( ? ).

Answer 8

J

Question 9

When calculating conductor weight, the weight acting on a straight line structure is the weight of the ? adjacent to the structure times a safety factor.

Answer 9

two half spans

Question 10

When working with distribution and transmission voltages, it is critical to know what “sticks” will support the weights and voltages involved.

Answer 10

True

Question 11

Maplac-coated wooden live-line tools should be placed in a drying cabinet for ? to one week per month, in average climates.

Answer 11

48 hours

Question 12

Epoxiglass tools can be washed with ? to remove foreign matter if cleaning with a detergent solution does not remove it.

Answer 12

Acetone

Question 13

Overstress or damage to live-line tools is evidenced by bent or cracked parts.

Answer 13

true

Question 14

Swivel rings attached to wire tongs for the purpose of attaching rope blocks should be located at a maximum of ? from the head of the wire tong.

Answer 14

24”

Question 15

The difference in the maximum working load that a 2-inch by 12-foot wire tong will support varies by ? when it is supported by a lever lift as opposed to a saddle.

Answer 15

75lbs

Question 16

A live-line wire tong stick is sometimes referred to as a ? stick.

Answer 16

Lift

Question 17

Wire tongs are generally used on pin-type or ? construction for maneuvering and holding conductors clear of the working area.

Answer 17

suspension-type

Question 18

Wire tong jaws are opened and closed by ? while the jaws are on the conductor.

Answer 18

rotating the pole

Question 19

The formula W = (Span A + Span B x W x 2) ÷ 2 is used for calculating the weight of a ? .

Answer 19

short span

Question 20

The sticks are ? .

Answer 20

wire tongs

Question 21

A 11/4 inch diameter roller link stick has a safe working load rating of ? .

Answer 21

1,000 lbs

Question 22

This piece of equipment is a ? .

Answer 22

wire tong saddle

Question 23

In order to dry out wooden live-line tools, they must be kept between ? and ? .

Answer 23

90 to 100 degrees

Question 24

If the Maplac coating on wooden live-line tools is worn or damaged, moisture might form dangerous conductor paths.

Answer 24

true

Question 25

When replacing ferrules on Epoxiglass poles, the adhesive must be allowed to cure for ? before the removal of the pole from the repair area.

Answer 25

48 hours

Question 26

The sticks are an assortment of ? .

Answer 26

tie sticks

Question 27

The minimum approach distance for 12,470 volts (phase-to-phase) is ? .

Answer 27

2’ 1”

Question 28

This stick is a ? stick.

Answer 28

spiral link

Question 29

This item is normally used with a wire tong and is called a(n) ? .

Answer 29

lever lift

Question 30

This tool is a(n) ? .

Answer 30

adjustable insulator fork

Question 31

The live-line tool being used is a(n) ? .

Answer 31

cotter key puller

Question 32

These types of heads would be used on a ? stick.

Answer 32

Universal